Coke in blast furnace has different roles of energy supply, reduction of iron ore, poring for passing reducing gases and carbonizing cast iron. In cupola furnace, coke is used as reducing agent. It should be noted that coke is also used in casting industries.
Metallurgical Coke
Metallurgical Coke
Chemical Analysis
| Size(mm) | %FC | %Ash | %Mo | %VM |
|---|---|---|---|---|
| 0-3 | 70-75 | 20-25 | Max 3 | 1.5-2.5 |
| 0-5 | 70-75 | 18-22 | Max 3 | 1.5-2.5 |
| 0-10 | 75-80 | 16-20 | Max 3 | 1.5-2.5 |
| 5-15 | 80-85 | 12-14 | Max 2 | 1.5-2.5 |
| 10-20 | 81-86 | 12-16 | Max 2 | 1.5-2.5 |
| 20-30 | 81-86 | 12-16 | Max 2 | 1.5-2.5 |
| >30 | >86 | 10 | Max 0.6 | 1.5-2.5 |